how to pick a bmx bike size

How to Pick the Right BMX Bike Size

Choosing the right size BMX bike is crucial for a comfortable and enjoyable riding experience. Whether you are a beginner or an experienced rider, the right size can affect your balance, control, and overall performance. In this guide, we will outline the various factors you should take into consideration when picking the size of your BMX bike.

Understanding BMX Bike Sizes

BMX bikes come in a variety of sizes, which typically correspond to the top tube length, frame geometry, and wheel size. The most common wheel sizes for BMX bikes are 20 inches, though some bikes designed for specific disciplines may have different sizes. To find the right bike, you need to assess your height, inseam length, and riding style.

1. Know Your Height

One of the first steps in determining the right BMX bike size is assessing your height. Manufacturers generally provide size charts that correlate a rider’s height with the appropriate bike size. Here’s a general guideline

- Under 4'6 Consider 16-inch BMX bikes - 4'6 to 5'0 Choose a 20-inch bike - 5'0 to 5'6 A 20-inch bike with a shorter top tube might be appropriate - 5'6 to 6'0 Look for 20.75 to 21-inch top tube lengths - Over 6'0 A bike with a 21-inch top tube or longer may be necessary

Keep in mind that these are general recommendations; individual preferences will also play a role.

2. Measure Your Inseam

Your inseam measurement is key in selecting a BMX bike size, as it impacts your ability to control the bike and perform tricks. To measure your inseam

1. Stand barefoot with your back against a wall. 2. Place a book or another flat object between your legs, pressing it up to your groin. 3. Measure the distance from the floor to the top of the book.

This measurement will help you understand how high your bike's top tube should be. Ideally, when you sit on the bike, you should be able to touch the ground comfortably while having some clearance between your crotch and the top tube.

3. Riding Style Matters

Your preferred riding style will also influence the size of the BMX bike you choose. Different disciplines require different frame geometries, affecting how the bike handles.

- Street Riding Typically requires a slightly shorter top tube for better maneuverability. - Park Riding A medium-sized frame might work well to balance tricks and speed. - Race BMX Often benefits from a longer frame for stability and speed on tracks.

Consider the type of BMX riding you plan to do when choosing your bike’s size and geometry.

4. Test Ride if Possible

If you have the opportunity, always test-ride the BMX bike before purchasing it. A test ride can help you understand how the bike feels in terms of comfort and control. Pay attention to how easily you can balance and perform basic movements like pedaling, turning, and hopping.

5. Consult Experts and Reviews

If you’re still unsure about which size to choose, seeking advice from experts at local bike shops or reading online reviews and forums can provide insight. Many experienced bike riders share their personal sizing experiences, which might help you make an informed decision.

Conclusion

Selecting the right BMX bike size is vital for an optimal riding experience. By considering your height, inseam length, riding style, and testing the bike when possible, you can make an informed choice that suits your needs. Remember, the perfect BMX bike should feel like an extension of yourself—comfortable and manageable. So take your time, do your research, and find the BMX bike that will help you ride with confidence and joy. Happy riding!